Washington Revised Code Title 44. State Government--Legislative § 44.90.052. Commission to determine units appropriate for certification--Limitations--Consolidation

(1) The commission, after hearing upon reasonable notice to all interested parties, shall decide, in each application for certification as an exclusive bargaining representative, the unit appropriate for certification. In determining the new units or modifications of existing units, the commission must consider: The duties, skills, and working conditions of the employees; the history of collective bargaining; the extent of organization among the employees; the desires of the employees; and the avoidance of excessive fragmentation. However, a unit is not appropriate if it includes:

(2) If a single employee organization is the exclusive bargaining representative for two or more units, upon petition by the employee organization, the units may be consolidated into a single larger unit if the commission considers the larger unit to be appropriate. If consolidation is appropriate, the commission shall certify the employee organization as the exclusive bargaining representative of the new unit.